Search a number
-
+
944394361 = 7923892
BaseRepresentation
bin111000010010100…
…101000001111001
32102211001012111221
4320102211001321
53413231104421
6233413352041
732255135221
oct7022450171
92384035457
10944394361
114450a4509
12224338621
1312086b441
148d5d5081
1557d9a841
hex384a5079

944394361 has 9 divisors (see below), whose sum is σ = 958965231. Its totient is φ = 930042984.

The previous prime is 944394307. The next prime is 944394383. The reversal of 944394361 is 163493449.

The square root of 944394361 is 30731.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 222934761 + 721459600 = 14931^2 + 26860^2 .

It is not a de Polignac number, because 944394361 - 27 = 944394233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (944394161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2427555 + ... + 2427943.

Almost surely, 2944394361 is an apocalyptic number.

944394361 is the 30731-st square number.

944394361 is the 15366-th centered octagonal number.

It is an amenable number.

944394361 is a deficient number, since it is larger than the sum of its proper divisors (14570870).

944394361 is an frugal number, since it uses more digits than its factorization.

944394361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 468 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The cubic root of 944394361 is about 981.1102095965.

The spelling of 944394361 in words is "nine hundred forty-four million, three hundred ninety-four thousand, three hundred sixty-one".

Divisors: 1 79 389 6241 30731 151321 2427749 11954359 944394361